{"id":"CVE-2024-38861","aliases":["EUVD-2024-37648","GHSA-r232-jmqm-j6g6"],"status":"published","title":"Lack of TLS validation in plugin MikroTik on Checkmk Exchange","description":"Improper Certificate Validation in Checkmk Exchange plugin MikroTik allows attackers in MitM position to intercept traffic. This issue affects MikroTik: from 2.0.0 through 2.5.5, from 0.4a_mk through 2.0a.","severity":{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00189,"percentile":0.08588,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2024-09-27T08:11:46Z","modified":"2026-06-17T07:41:08Z","products":[{"vendor":"tomtretbar","product":"mikrotik"}],"references":[{"url":"https://exchange.checkmk.com/p/mikrotik","tags":["product","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-38861"},{"url":"https://github.com/advisories/GHSA-r232-jmqm-j6g6"}],"sources":{"cve":[{"id":"CVE-2024-38861","title":"Lack of TLS validation in plugin MikroTik on Checkmk Exchange","description":"Improper Certificate Validation in Checkmk Exchange plugin MikroTik allows attackers in MitM position to intercept traffic. This issue affects MikroTik: from 2.0.0 through 2.5.5, from 0.4a_mk through 2.0a.","status":"published","published":"2024-09-27T08:11:46.79Z","modified":"2024-09-27T15:21:54.47Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:34:16.007021Z"}],"euvd":[{"id":"EUVD-2024-37648","description":"Improper Certificate Validation in Checkmk Exchange plugin MikroTik allows attackers in MitM position to intercept traffic. This issue affects MikroTik: from 2.0.0 through 2.5.5, from 0.4a_mk through 2.0a.","status":"published","published":"2024-09-27T08:11:46Z","modified":"2024-09-27T15:21:54Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-03T00:28:06.341022Z"}],"ghsa":[{"id":"GHSA-r232-jmqm-j6g6","title":"Improper Certificate Validation in Checkmk Exchange plugin MikroTik allows attackers in MitM...","description":"Improper Certificate Validation in Checkmk Exchange plugin MikroTik allows attackers in MitM position to intercept traffic. This issue affects MikroTik: from 2.0.0 through 2.5.5, from 0.4a_mk through 2.0a.","status":"published","published":"2024-09-27T09:30:30Z","modified":"2024-12-11T03:33:03Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"},{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:59:08.209902Z"}],"nvd":[{"id":"CVE-2024-38861","description":"Improper Certificate Validation in Checkmk Exchange plugin MikroTik allows attackers in MitM position to intercept traffic. This issue affects MikroTik: from 2.0.0 through 2.5.5, from 0.4a_mk through 2.0a.","status":"published","published":"2024-09-27T09:15:02.873Z","modified":"2026-06-17T07:41:08.92Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:10:29.044588Z"}]}}